
                                                                                Nominal Pipe Diameter | 
                                                                        N/A 500 A | 
                                                                                D1 - Pipe Outside Diameter by KS/JIS | 
                                                                        N/A 508.0 mm | 
                                                                                D2 - Pipe Min-Max Range | 
                                                                        N/A 505-512 mm | 
                                                                                OD - Outside Diameter | 
                                                                        N/A 20.000 in | 
                                                                                M - Tightening Bolt SUS 304 or SCM 435 | 
                                                                        N/A M18x150Lx6BOLTS | 
                                                                                A - Diameter of SUS 304 or S45C Bar and Barnut | 
                                                                        N/A 32 mm | 
                                                                                L - Length of Coupling | 
                                                                        N/A 255 mm | 
                                                                                l - Sealing Sleeve Lip's Distance | 
                                                                        N/A 170 mm | 
                                                                                T - Thickness of SUS 304 Coupling Case | 
                                                                        N/A 3.0 mm | 
                                                                                U - Coupling Outside Diameter | 
                                                                        N/A 550 mm | 
                                                                                W.P - Maximum Working Pressure | 
                                                                        N/A 7 kg/cm² | 
                                                                                W - Weight per Each Set | 
                                                                        N/A 27.0 kg | 
                                                                                P - Standard Torque | 
                                                                        N/A 120-150 N·m1200-1500 kgf·cm | 
                                                                                Tube Diameter | 
                                                                        N/A 20 in | 
                                                                                Norm | 
                                                                        N/A KS/JIS | 
                                                                                Sleeve Material | 
                                                                        N/A EPDM NBR Silicone Viton |